54results about How to "Manufacturing tolerance" patented technology

This invention discloses a bend insensitive single mode fiber, which is composed by a bare glass fiber with a round cross section and two resin protective layers with circular cross sections surrounding the outer of the bare glass fiber. It is characterized in that the bare glass fiber is composed by a core layer with a round cross section and two claddings with circular cross sections. The refractive index of the core layer is higher than the index of the two claddings and the refractive index difference between the core layer and the first cladding is larger than the difference between the first and second claddings. The second cladding is made of pure SiO2. The refractive index profile of the core layer follows a power function, and the refractive index profile of the two claddings follow a ladder-type distribution. The loss of the invented fiber is insensitive to the bending of the fiber, which meets the requirements of ITU.T G.657.A and G.657.B standards, respectively. It is applicable to the Fiber To The Home (FTTH) and other local area network and the access network systems.

Methods and apparatus for monitoring oxygen saturation levels in tissue are disclosed. According to one aspect of the present invention, a sensor arrangement for use in an optical imaging system includes a first source structure, a second source structure, and a detector arrangement. The first source structure provides a first beam of light and the second source structure provides a second beam of light. The detector arrangement includes detector structures that have centerpoints, and receives the first and second beams of light after the first and second beams of light are reflected off of an external surface. The detector arrangement is arranged to define a first axis that passes through the centerpoint of each detector structure, and a distance from a centerpoint of the first source structure to the first axis is not equal to a distance from a centerpoint of the second source structure to the first axis.

Methods and apparatus for monitoring oxygen saturation levels in tissue are disclosed. According to one aspect of the present invention, a sensor arrangement for use in an optical imaging system includes a first source structure, a second source structure, and a detector arrangement. The first source structure provides a first beam of light and the second source structure provides a second beam of light. The detector arrangement includes detector structures that have centerpoints, and receives the first and second beams of light after the first and second beams of light are reflected off of an external surface. The detector arrangement is arranged to define a first axis that passes through the centerpoint of each detector structure, and a distance from a centerpoint of the first source structure to the first axis is not equal to a distance from a centerpoint of the second source structure to the first axis.

A varying capacitance rotating electrical machine provides capacitor elements, such as capacitor plates, that move with respect to each other as separated by a thin film of fluid, for example air, on which one capacitor element floats. In one embodiment, multiple plates provide for three-phase operation. Narrow gaps provided by the floating capacitor elements increase the power density of rotating electrical machine.

A compact high energy photoelectron injector integrates the photocathode directly into a multicell linear accelerator with no drift space between the injection and the linac. High electron beam brightness is achieved by accelerating a tightly focused electron beam in an integrated, multi-cell, X-band rf linear accelerator (linac). The photoelectron linac employs a Plane-Wave-Transformer (PWT) design which provides strong cell-to-cell coupling, easing manufacturing tolerances and costs.

A cleaner head for a cleaning appliance includes a rotatable agitator assembly, an agitator chamber housing the agitator assembly, and a sole plate defining a downwardly-directed opening through which debris energized by the agitator assembly enters the agitator chamber. A set of support members is located on a leading and trailing section of the sole plate, the support members extending downwardly beyond the sole plate to support the sole plate above a relatively hard floor surface. The lowermost extremities of the sets of support members are located in a first plane, and the edges of the opening are located in a second plane which is inclined upwardly relative to the first plane. The agitator assembly includes agitating members which extend outwardly from the opening beyond the second plane but within the first plane.

A modular mould system for manufacturing a shell part of an oblong composite structure having a longitudinal direction from a fibre reinforced matrix material. The modular mould system includes a number of mould sections, which are adapted to being assembled to an assembled mould part. The number of mould sections includes a first mould section having a first moulding surface with a contour that defines a surface of a first longitudinal part of the shell part and a first end section; and a second mould section having a second moulding surface with a contour that defines a surface of a second longitudinal part of the shell part and a second end section; which, when the modular mould system is assembled to the assembled mould, the second end section of the second mould section abuts the first end section of the first mould section.

A method for aligning a clutch assembly having a clutch shaft and a housing with a plurality of threaded first fasteners. The method includes the steps of attaching the clutch assembly to a driveshaft of an engine mounted on a support frame having a plurality of second threaded fasteners. The method includes the steps of mounting a support plate to the housing and support frame and extending the first fasteners and second fasteners through mounting holes. The method also includes the steps of deflecting the clutch shaft relative to the driveshaft and disposing spacers over the first fasteners and second fasteners adjacent the support plate. The method includes the steps of engaging the first fasteners and second fasteners with third fasteners to seat the spacers against the support plate and fixedly securing the spacers to the support plate. The method further includes the steps of assembling and tensioning a drive belt assembly operatively cooperating with the clutch shaft such that the deflection created is negated and the clutch shaft is brought into alignment with the driveshaft of the engine.

A coupling assembly for joining a first component to a second component, the assembly comprising a shaft for connecting to a first component, and a bracket including a mounting plate for connecting to a second component. The bracket has a bracket arm extending from the mounting plate, and a head having a through-bore on the bracket arm. The shaft is received in the through-bore. A setting device acts between the head and the shaft for setting of the position of the shaft with respect to the head in the axial direction of the shaft. The assembly further includes one or more spherical bearing surfaces, which permit self-alignment of the setting device to accommodate tilting of the shaft with respect to the head about a central point in two orthogonal directions. Also, a joint comprising a first component joined to a second component by one or more of the coupling assemblies. Also, a method of forming a joint using one or more of the coupling assemblies.

This invention discloses a bend insensitive single mode fiber, which is composed by a bare glass fiber with a round cross section and two resin protective layers with circular cross sections surrounding the outer of the bare glass fiber. It is characterized in that the bare glass fiber is composed by a core layer with a round cross section and two claddings with circular cross sections. The refractive index of the core layer is higher than the index of the two claddings and the refractive index difference between the core layer and the first cladding is larger than the difference between the first and second claddings. The second cladding is made of pure SiO2. The refractive index profile of the core layer follows a power function, and the refractive index profile of the two claddings follow a ladder-type distribution. The loss of the invented fiber is insensitive to the bending of the fiber, which meets the requirements of ITU.T G.657.A and G.657.B standards, respectively. It is applicable to the Fiber To The Home (FTTH) and other local area network and the access network systems.

A power source with multiple cells connected in parallel to a common node or power supply point. The individual cells within the power source may also have a dedicated controller for each of the individual cells. Additionally, a system controller is coupled to each controller in a feedback loop and is configured to selectively connect each cell of the plurality of cells to a power bus to control the discharge of each of the plurality of cells.

A system having an optical-coupling region for evanescently coupling light between first and second optical-waveguiding structures is disclosed. Within the optical-coupling region, the first and second optical-waveguiding structures exhibit mirror symmetry with respect to each other across or about at least one of a plane and an axis and include a segment that is not straight.

A varying capacitance rotating electrical machine provides capacitor elements, such as capacitor plates, that move with respect to each other as separated by a thin film of fluid, for example air, on which one capacitor element floats. In one embodiment, multiple plates provide for three-phase operation. Narrow gaps provided by the floating capacitor elements increase the power density of rotating electrical machine.

There are provided a center pillar, a roof side rail connected to an upper end portion of the center pillar and having a closed cross section extending in a vehicle longitudinal direction, and a synthetic resin-made reinforcing member provided inside the roof side rail at a position near an upper end portion of the center pillar. The roof side rail comprises a roof rail inner having a protrusion portion and a roof rail outer forming the closed cross section together with the roof rail inner. The reinforcing member is provided to have a gap from the roof rail outer and integrally joined to an outward face, in a vehicle width direction, of the roof rail inner which is roughened by an anchor effect.

A drive end block for a magnetron arrangement with a rotating target, comprises an end block housing having a rotatably mounted drive shaft. The drive shaft is arranged in the end block housing, accessible at an end from outside of the end block housing for connection to the rotating target, and adapted at its end inside the end block housing for introduction of a torque. An electric motor with a stator and a rotor for creating the torque is arranged inside the end block housing.

A power source with multiple cells connected in parallel to a common node or power supply point. The individual cells within the power source may also have a dedicated controller for each of the individual cells. Additionally, a system controller is coupled to each controller in a feedback loop and is configured to selectively connect each cell of the plurality of cells to a power bus to control the discharge of each of the plurality of cells.

An earplug for a hearing aid adapted for engagement with earpieces made of materials with a comparatively high hardness. The earplug comprises a resilient sleeve and a shell, the shell having an outer portion adapted to fit within a user's ear canal and a central bore, the central bore having a first abutment shoulder adapted for retaining the resilient sleeve inside the shell and a second abutment shoulder adapted for providing a stop for the resilient sleeve and for the earpiece. Hereby the resilient sleeve is able to combine relatively relaxed manufacturing tolerances with precise positioning of the earpiece inside the earplug.

The invention relates to an axial spring element (6) having two peripheral ring elements (61, 62) that are spaced from one another in the axial direction and are connected to one another in a spring-elastic manner, wherein at least one of the ring elements (61) comprises one or more retaining elements (64) in order to brace the spring element with a rotor (5) and thereby hold the spring element on the rotor (5).

A frequency-selective damper valve includes a controlled flow channel providing a fluid connection between a first and second valve sides; a controlled valve assembly in a controlled flow channel; a movable valve body acting on the controlled valve assembly; and a variable volume chamber, the movable valve body interacting with the variable volume chamber such that movement of the movable valve body and a change in volume of the variable volume chamber are interrelated. The variable volume chamber includes an outlet opening, in operation, downstream of the controlled valve assembly and does not include an opening upstream of the controlled valve assembly with respect to a controlled fluid flow in the controlled flow channel, the outlet opening providing a flow resistance.

An earplug for a hearing aid adapted for engagement with earpieces made of materials with a comparatively high hardness. The earplug comprises a resilient sleeve and a shell, the shell having an outer portion adapted to fit within a user's ear canal and a central bore, the central bore having a first abutment shoulder adapted for retaining the resilient sleeve inside the shell and a second abutment shoulder adapted for providing a stop for the resilient sleeve and for the earpiece. Hereby the resilient sleeve is able to combine relatively relaxed manufacturing tolerances with precise positioning of the earpiece inside the earplug.

A method for producing a photovoltaic module having backside-contacted semiconductor cells which have contact regions provided on a contact side includes: providing a foil-type, non-conducting substrate having an at least one-sided and at least sectionally electrically conductive substrate coating on a first substrate side; placing the contact sides of the semiconductor cells on a second substrate side; implementing a local perforation which penetrates the substrate and the substrate coating, to generate openings at the contact regions of the semiconductor cells; applying a contact element to fill the openings and to form a contact point between the substrate coating on the first substrate side and the semiconductor cells on the second substrate side.

A head slider for a disk drive storage device. The head slider is adapted to fly at the target height above the disk, reduce contamination by preventing particles from being trapped under the head slider, fly well in helium at low velocity and obtain a manufacturing tolerance so that multiple head sliders may be produced and function properly. The head slider has an internal cavity that is substantially enclosed by the air bearing surface. There are two gaps in the air bearing surface that are misaligned relative to the leading edge. The gaps aid in preventing particles from entering the cavity.

A sealed housing of an electric heating device to be installed in a motor vehicle includes a housing lower part and a housing cover abutting on the housing lower part via an intermediate sealing element. An elongate positive locking element, which interconnects the housing lower part and the housing cover in a form fit manner, is provided between opposed contact surfaces of the housing lower part and a housing cover. The positive locking element abuts on the contact surfaces under a pretensioning force caused by compression of the sealing element. A method of producing a sealed housing also is disclosed via which the contact surfaces move into contact with the elongate positive locking element under a pretensioning force of the sealing element.

A fluidic cartridge for use with a dialysis system, a method of manufacturing the fluidic cartridge, a dialysis machine and a method of operating the dialysis machine with the fluidic cartridge. The fluidic cartridge has a data storage unit, the data storage unit stores data relating to one or more physical properties of the cartridge. A cartridge for use in a portable dialysis machine and a portable dialysis machine. The cartridge has a data storage unit, the data storage unit stores data relating to sterilisation of the cartridge.

A closing device for closing channels in which pressure fluid is conveyed in a housing. The closing device includes a sealing body that is designed as a sleeve member, the peripheral surface of which is arranged between the accommodating bore and the closing member for sealing purposes, and is subjected to a defined surface pressure in sections.

There is provided a zoom lens system, compact and light in weight and having high image formation performance over the zoom entire range irrespective of object lens while covering the range from the broad angle side up to the telescopic end state side, which is used in video camera and / or digital still camera. A zoom lens system at least includes a first lens group GR1 having positive refractive power, a second lens group GR2 having negative refractive power, a third lens group GR3 having positive refractive power, a fourth lens group GR4 having positive refractive power, a fifth lens group GR5 having weak refractive power (including refractive power=0), and a sixth lens group GR6 having negative refractive power which are arranged in order from the object side to change spacings between the respective lens groups to thereby perform magnification changing or adjusting operation, wherein when group spacing between the i-th lens group and the j-th lens group at the wide-angle end state is DW(i-j), and group spacing between the i-th lens group and the j-th lens group at the telescopic end state is DT(i-j), the following conditional formulas (1), (2) and (3) are satisfied, and the fourth lens group GR4 is moved in the optical axis direction so that focusing operation is performed.DW(1−2)<DT(1−2)   (1)DW(2−3)>DT(2−3)   (2)DW(5−6)>DT(5−6)   (3)

A joint system enables pivotable coupling between a first frame member and a second frame member. The joint system includes a mounting ball assembly affixable to the first frame member, and a connector engageable with the mounting ball assembly at one end and affixable to the second frame at an opposite end. The connector is constructed such that it is movable on the mounting ball assembly in a folding plane and through a clearance amount in a clearance plane substantially perpendicular to the folding plane. A continuous passage is defined through the mounting ball assembly and the connector.

A drive end block for a magnetron arrangement with a rotating target, comprises an end block housing having a rotatably mounted drive shaft. The drive shaft is arranged in the end block housing, accessible at an end from outside of the end block housing for connection to the rotating target, and adapted at its end inside the end block housing for introduction of a torque. An electric motor with a stator and a rotor for creating the torque is arranged inside the end block housing.